Re: [PATCH] 4/4GB: remove FIXADDR_TOP changing

From: Ingo Molnar
Date: Thu Nov 11 2004 - 15:47:33 EST

* Kirill Korotaev <dev@xxxxx> wrote:

> This patch fixes VSYSCALL_BASE/FIXADDR_TOP relations problems
> in 4gb split kernels (under some combinations of options/patches):
> - if FIXADDR_TOP is changed, VSYSCALL_BASE in should be
> changed as well
> - original 4gb split changes FIXADDR_TOP to be sure that stack
> is 2 pages aligned, but uses hardcoded constants inside.
> So we had /sbin/init loading problems due to trying to
> access wrong addresses in VSYSCALL page.
> The fix is the aligment of 4gb pages instead of alignment of

indeed - thanks!

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